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public SqlConnection connopen()
{
SqlConnection conn= new SqlConnection(sqlconnstr); //建立数据库连接
conn.Open();
return conn;
}
public void connExecuteNonQuery(string sqlword)
{
cmd.Connection = connopen();
cmd.CommandText = sqlword;
cmd.CommandType = CommandType.Text;
cmd.ExecuteNonQuery();
connopen.Close(); //这里出错!!!请问数据库如何关闭呢????
}
public SqlConnection connopen()
{
SqlConnection conn= new SqlConnection(sqlconnstr); //建立数据库连接
conn.Open(); //连接数据库
return conn;
}
public void connExecuteNonQuery(string sqlword)
{
cmd.Connection = connopen();
cmd.CommandText = sqlword;
cmd.CommandType = CommandType.Text;
cmd.ExecuteNonQuery(); //执行sql语句
connopen.Close(); //这里出错!!!请问数据库如何关闭呢????
}